Microbrush holder



FIG. 1 is a side elevational view of a microbrush holder showing my new design, the opposite side view being a mirror image of that shown;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear end view thereof; and,

FIG. 5 is a front end view thereof. 

The ornamental design for a microbrush holder, as shown and described. 